Bump django-geonode-mapstore-client from 1.4.5 to 1.4.6

Bumps [django-geonode-mapstore-client](https://github.com/GeoNode/geonode-mapstore-client) from 1.4.5 to 1.4.6.
- [Release notes](https://github.com/GeoNode/geonode-mapstore-client/releases)
- [Changelog](https://github.com/GeoNode/geonode-mapstore-client/blob/master/CHANGELOG.md)
- [Commits](GeoNode/geonode-mapstore-client@1.4.5...1.4.6)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

requirements.txt

@@ -73,7 +73,7 @@ geonode-oauth-toolkit==1.1.4.6
 # GeoNode org maintained apps.
 django-geoexplorer==4.0.43
 django-mapstore-adapter==1.0.11
-django-geonode-mapstore-client==1.4.5
+django-geonode-mapstore-client==1.4.6
 django-geonode-client==1.0.9
 geonode-user-messages==0.1.14
 geonode-avatar==2.1.8